<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>startup3</title>
<script src="js/vue.min.js"></script>
</head>
<body>
<div id="vue_det">
    <h1>site : {{site}}</h1>
    <h1>url : {{url}}</h1>
    <h1>Alexa : {{alexa}}</h1>
</div>
<script type="text/javascript">
// 我们的数据对象
var data = { site: "lz", url: "www.lz.com", alexa: 10000}
var vm = new Vue({
    el: '#vue_det',
    data: data
})
 
document.write(vm.$data === data) // true
document.write("<br>") // true
document.write(vm.$el === document.getElementById('vue_det')) // true
</script>
</body>
</html>